Table 2 Chemical composition of sand, waste concrete powder (WCP), waste brick powder (WBP), and waste tile powder (WTP).
From: Sustainable stabilization of sandy soil using alkali-activated construction waste binders
Component [wt.%] | SiO2 | Al2O3 | CaO | MgO | TiO2 | SO3 | Fe2O3 | K2O | Na2O | L.O.I |
|---|---|---|---|---|---|---|---|---|---|---|
Sand | 98.41 | 0.2 | 0.28 | - | - | - | 0.89 | 0.022 | 0.03 | 0.17 |
WCP | 49.09 | 8.60 | 19.39 | 1.41 | 0.33 | 1.36 | 3.13 | 2.1 | 2.06 | 12.06 |
WBP | 58.83 | 12.92 | 12.99 | 3.08 | 0.69 | 0.31 | 5.34 | 3.27 | 1.5 | 0.51 |
WTP | 76.62 | 11.67 | 3.23 | 1.02 | 0.2 | 0.27 | 1.12 | 2.34 | 2.99 | 0.05 |